Home / 5,768.42-8,651.61-2,645.06

Finding the Fourth Proportional to 5,768.42, 8,651.61 and 2,645.06

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Solution

The fourth proportional to 5,768.42, 8,651.61 and 2,645.06 is: 3,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.42 : 8,651.61 = 2,645.06 : x
  2. Step 2: Convert to fraction form
    5,768.42/8,651.61 = 2,645.06/x
  3. Step 3: Cross multiply
    5,768.42x = 8,651.61 × 2,645.06
  4. Step 4: Simplify right side
    5,768.42x = 22,883,984.29
  5. Step 5: Solve for x
    x = 22,883,984.29/5,768.42
  6. Step 6: Final answer
    x = 3,967.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.